Heart valve locking ring



FIG. 1 is a top perspective view of the heart valve locking ring in unlocked position;

FIG. 2 is a top plan view of the unlocked ring of FIG. 1;

FIG. 3 is a side elevational view of the locking ring of the heart valve locking ring of FIG. 1;

FIG. 4 is an elevational view of the heart valve locking ring showing an opposite side from that illustrated in FIG. 3;

FIG. 5 is a bottom plan view of the heart valve locking ring of FIG. 1;

FIG. 6 is a fragmentary top view of the locking ring in detail greatly enlarged;

FIG. 7 is a fragmentary bottom view of the locking ring detaill of FIG. 6;

FIG. 8 is a perspective view of the heart valve locking ring in locked position;

FIG. 9 is a top plan view of the heart valve locking ring in locked position according to FIG. 8;

FIG. 10 is a side elevational view of the heart valve locking ring in locked position;

FIG. 11 is a side elevational view as seen for an opposite side from that illustrated in FIG. 10;

FIG. 12 is a bottom plan view of the heart valve locking ring in locked position;

FIG. 13 is a fragmentary top view of the locking ring in detail; and,

FIG. 14 is a fragmentary bottom view of the locking ring in locked position in detail according to FIG. 13. 

The ornamental design for heart valve locking ring, as shown and described. 